Who Rules the Web Now?

Harvard Business Review

They're out to kill the cost-per-thousand or CPM-based ad sales model. In effect, they are turning online advertising into a lead generation play to deliver better ROI for marketers. Amazon's widget that makes it easy to shop from inside Facebook reveals one way this oligopoly will become increasingly interconnected, while disintermediating as many others as it can. [For more, visit the Communication Insight Center.].

CPM 12